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CS/CMST Coiled Straps
Installation
CMSTC provides nail slots for easy installation; it can be cut to length. CS are continuous utility straps which can be cut to length on the job site. Packaged in lightweight (about 40 pounds) cartons.
Finish: Galvanized. Some products available in ZMAX® coating; see Corrosion Information.
Installation:
- Use all specified fasteners. See General Notes.
- Wood shrinkage after strap installation across horizontal wood members may cause strap to buckle outward.
- Refer to the applicable code for minimum nail penetration and minimum wood edge and end distances.
- The table shows the maximum allowable loads and the nails required to obtain them. Fewer nails may be used; reduce the allowable load as shown in footnote 3.
- The cut length of the strap shall be equal to twice the "End Length" noted in the table plus the clear span dimension.
- CMST only - Use every other triangle hole if the wood tends to split. Use round and triangle holes for comparable MST loads, providing wood does not tend to split.
- For lap splice and alternate nailing information, See Technical Bulletin T-CMST.
- CS straps are available in 25' lengths, order CS14-R, CS16-R, CS18-R, CS20-R or CS22-R.
Gauge stamped on part for easy identification
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These products are available with additional corrosion protection. Additional products on this page may also be available with this option, check with Simpson Strong-Tie for details.
These models are approved for installation with the
Strong-Drive SD Structural-Connector screw.
- Loads include a 60% load duration increase on the fasteners for wind or seismic loading.
- Use half of the required nails in each member being connected to achieve the listed loads.
- Calculate the connector value for a reduced number of nails as follows:
Example: CMSTC16 in DF/SP with 40 nails total.
(Half of the nails in each member being connected) - Tension loads apply for uplift when installed vertically.
- NAILS: 16d = 0.162" dia. x 3 1/2" long, 16d Sinker = 0.148" dia. x 3 1/4" long, 10d = 0.148" dia. x 3 " long. See other nail sizes and information.
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top Code Reports (PDFs):
* ESR-2523 is an Index of many of Simpson Strong-Tie Stamped and Welded Cold-formed Steel Products for Wood or Cold-formed Steel Construction
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ORTHOGRAPHIC 
PERSPECTIVE CMST None for this model High Wind-Resistant Construction D36-D37: Hollow Column Uplift: CMST Strap Configuration Installation: DWG | DXF
CMST12 None for this model None for this model CMST14 None for this model High Wind-Resistant Construction D70: Wall to Pile/Girder: DWG | DXF
CMSTC None for this model None for this model CMSTC16 None for this model None for this model CS None for this model CS: DWG | DXF
CS CFS: DWG | DXF
CS14 None for this model None for this model CS14-R None for this model None for this model CS16 CS16: DWG | DXF
CS16: DWG | DXF
High Wind-Resistant Construction D45: Stud to Band Joist: DWG | DXF
High Wind-Resistant Construction D46: Stud to Band Joist: DWG | DXF
High Wind-Resistant Construction D72: Wall to Pile/Girder: DWG | DXF
High Wind-Resistant Construction D8: Girder/Truss to Wall Framing: DWG | DXF
Floor to Floor Connections: DWG | DXF
Pile to Girder Connectors 2: DWG | DXF
Stud to Band Joist Connections: DWG | DXF
Stud to Band Joist Connections Version 2: DWG | DXF
CS16-R None for this model None for this model CS16Z None for this model None for this model CS18 CS18: DWG | DXF
None for this model CS18-R None for this model None for this model CS18S None for this model None for this model CS20 CS20: DWG | DXF
None for this model CS20-R None for this model None for this model CS22 CS22: DWG | DXF
None for this model CS22-R None for this model None for this model
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| Allowable Load = |
No. of Nails Used
No. of Nails in Table |
x Table Load |
| Allowable Load = |
40 Nails (Used)
50 Nails (Table) |
x 4585 lbs = 3668 lbs |